Symmetry/Asymmetry in Thermal Management

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Engineering and Materials".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 1157

Special Issue Editors


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Guest Editor
School of Energy and Environment, City University of Hong Kong, Hong Kong
Interests: heat and mass transfer; microchannels; thermal management; machine learning; cooling; thermofluids modeling using CFD

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Guest Editor
School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou, China
Interests: nanofluids; heat transfer; suspensions; thermal conductivity

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Guest Editor
School of Energy and Environment, City University of Hong Kong, Hong Kong
Interests: thermal energy storage; absorption; PCM; HVAC; renewable energy
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Special Issue Information

Dear Colleagues,

The escalating demands for thermal management technologies, driven by their indispensable role in various sectors, have led to significant environmental concerns, primarily due to the extensive consumption of electricity and water resources. Consequently, various symmetric/asymmetric technologies are being proposed to improve thermal management performances, addressing the consequential environmental challenges.

We are seeking cutting-edge research that addresses the pressing challenges in thermal management. Your work has the potential to make a significant impact, whether through novel passive cooling techniques that leverage advanced materials and designs, innovative active cooling solutions that enhance heat transfer efficiency by symmetric/asymmetric flow, or breakthroughs in predictive modeling and simulation approaches.

Our focus is on the cutting-edge methodologies, materials, symmetric/asymmetric designs, and technologies driving the future of thermal management across various sectors, including electronics, aerospace, automotive, and renewable energy systems.

We eagerly anticipate your submissions and the opportunity to highlight your pioneering research. Together, let us shape the future of thermal management, fostering a more efficient, sustainable, and technologically advanced world.

Dr. Zengguang Sui
Dr. Dongxing Song
Dr. Zhixiong Ding
Guest Editors

Manuscript Submission Information

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Keywords

  • thermal management
  • heat dissipation
  • passive cooling
  • active cooling
  • advanced materials
  • thermal interface materials
  • fluid dynamics
  • thermodynamics
  • symmetric/asymmetric design

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Published Papers (1 paper)

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Research

23 pages, 7929 KiB  
Article
Parametric Study by Design of Experiments of Thermal Management of a Light-Emitting Diode Dissipator in a Cavity
by Zouhour Araoud, Khaoula Ben Abdelmlek, Kamel Charrada, Georges Zissis and Laurent Canale
Symmetry 2025, 17(1), 58; https://doi.org/10.3390/sym17010058 - 1 Jan 2025
Viewed by 761
Abstract
This paper presents the results of a numerical investigation by design of experiments of the thermal management of a symmetrical rectangular heat sink for LED lighting placed in a cavity with asymmetrical conditions at its opening. Our mathematical model is validated by an [...] Read more.
This paper presents the results of a numerical investigation by design of experiments of the thermal management of a symmetrical rectangular heat sink for LED lighting placed in a cavity with asymmetrical conditions at its opening. Our mathematical model is validated by an experiment we carried out for an LED placed in a cavity. According to the proposed design of experiments (24 factorial designs), we analyzed, by simulation modeling using COMSOL Multiphysics®, the influence of the different controllable parameters (the position A and width C of the openings, the inlet air velocity B, and the cavity height D) on the evolution of the junction temperature in order to optimize the thermal management of the proposed LED lamp. Using Minitab® manipulation software, a Pareto analysis and an analysis of variance (ANOVA) were carried out, and mathematical models were deduced to estimate the optimal junction temperature and the convective heat transfer coefficient of the proposed radiator and the surrounding air as a function of the controlled parameters. It was found that the position of the opening is the most influential factor on the junction temperature, with a contribution of 93.46%, followed by the factors velocity and width of the opening, with low contributions (3.22% and 1.24%). We also observe that the height of the cavity and the interactions (A × C, A × D, B × C, B × D, C × D) have no significant influence on the junction temperature. Full article
(This article belongs to the Special Issue Symmetry/Asymmetry in Thermal Management)
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